Python でのバーチャル試着 API

# Photta doesn't ship an official Python SDK yet — requests is the
# recommended path in the docs. Standard library urllib works too if
# you need zero dependencies.
pip install requests

# Store your API key in env (dotenv optional but convenient)
echo "PHOTTA_API_KEY=photta_live_xxxxx" >> .env

# photta.py
import os
import requests

PHOTTA_BASE_URL = "https://ai.photta.app/api/v1"

class PhottaError(Exception):
    def __init__(self, status: int, code: str, message: str, retry_after: int | None = None):
        super().__init__(message)
        self.status = status
        self.code = code
        self.retry_after = retry_after

def photta_request(method: str, path: str, **kwargs):
    headers = {
        "Authorization": f"Bearer {os.environ['PHOTTA_API_KEY']}",
        "Content-Type": "application/json",
        **kwargs.pop("headers", {}),
    }
    response = requests.request(method, f"{PHOTTA_BASE_URL}{path}", headers=headers, **kwargs)
    body = response.json()
    if not response.ok:
        err = body.get("error", {})
        raise PhottaError(
            status=response.status_code,
            code=err.get("code", "unknown"),
            message=err.get("message", response.reason),
            retry_after=err.get("retry_after"),
        )
    return body

import time
from photta import photta_request, PhottaError

# 1. Submit the job
created = photta_request("POST", "/tryon/apparel", json={
    "product_type": "dress",
    "product_images": ["https://example.com/dress.jpg"],
    "mannequin_id": "mnq_athena_ts",
    "pose_id": "pose_standing_front",
    "resolution": "2K",
    "aspect_ratio": "3:4",
})
generation_id = created["data"]["id"]

# 2. Poll every 3 seconds. Upper bound: 120 attempts ≈ 6 minutes,
# comfortably above the documented 1.5–4 minute window.
for _ in range(120):
    result = photta_request("GET", f"/tryon/apparel/{generation_id}")
    status = result["data"]["status"]
    if status == "completed":
        print("Result:", result["data"]["output_url"])
        break
    if status == "failed":
        raise RuntimeError(result["data"]["error_message"])
    time.sleep(3)

from photta import photta_request, PhottaError
import time

try:
    photta_request("POST", "/tryon/apparel", json={ ... })
except PhottaError as err:
    if err.status == 402:
        # Out of credits — err.code == "insufficient_credits"
        raise
    elif err.status == 429:
        # Rate-limited. Honour the Retry-After header.
        time.sleep(err.retry_after or 30)
        # then retry…
    elif err.status >= 500:
        # Server-side — retry with exponential backoff.
        raise
    else:
        raise